This file contains the contents of the Non-executable Read Only Storage (ROS) module that holds the BASIC programming language interpreter for the IBM 5100 computer, an early portable computer from 1975. The BASIC interpreter is known to be a modified version of a BASIC system for the IBM System/3 midrange computer: the 5100 emulates this (larger) system in order to run the interpreter. Additionally, the ROS also contains some "common" utility code that runs natively on the 5100's PALM processor.

This file contains the contents of the Executable Read Only Storage (ROS) module that holds the System/370 and System/3 emulator software, and various boot and utility routines, for the IBM 5100 computer, an early portable computer from 1975. The 5100 uses the S/370 and S/3 emulators to run an APL and a BASIC interpreter respectively.